Year 2021, Volume 11 , Issue 2, Pages 1393 - 1401 2021-06-01

Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi
Investigation of Dielectric Properties of Graphene Filled Starch Films in Wide Frequency Range

Gülben TORĞUT [1] , Nedim GÜRLER [2]


Bu çalışmada, gliserol ile plastikleştirilmiş patates nişastası (PN) filmlerine, farklı oranlarda (% 0.5, 1, 2) grafen (G) eklenerek döküm yöntemi ile hazırlanmış filmlerin dielektrik sabiti, dielektrik kayıp ve kayıp tanjantı gibi bazı dielektrik özelliklerinin frekansla değişimleri incelendi. PN’nın saf hali ve G ile hazırlanmış kompozitlerinin (PNG0.5, PNG1 ve PNG2) dielektrik sabiti (έ), dielektrik kayıp faktörü (ε՛՛) ve kayıp tanjantı (tanδ) değerleri oda sıcaklığında frekansın bir fonksiyonu olarak (100 Hz ile 10 kHz arasında) empedans analizör cihazı ile belirlendi. Nişastanın 1 kHz sabit frekans ve oda sıcaklığındaki dielektrik sabiti, dielektrik kayıp ve kayıp tanjantı değerleri sırasıyla 9.20, 4.45 ve 0.48 olarak bulundu. Ayrıca, farklı oranlarda G miktarının (ağırlıkça %0.5, %1 ve %2) filmlerin dielektrik özellikleri üzerindeki etkisi araştırıldı. G konsantrasyonu arttıkça dielektrik sabiti, dielektrik kayıp ve kayıp tanjantı değerlerinde, saf nişastaya göre önemli artış olduğu gözlendi.
In this study, the change of some dielectric properties such as dielectric constant, dielectric loss and loss tangent of films prepared by casting method by adding graphene (G) in different proportions (% wt 0.5, 1, 2) to potato starch (PS) films plasticized with glycerol were investigated. Dielectric constant (έ), dielectric loss (ε՛՛) and loss tangent (tanδ) values of pure PS and its composites prepared with G (PSG0.5, PSG1 and PSG2) were determined by impedance analyzer as a function of frequency (between 100 Hz and 10 kHz) at room temperature. The dielectric constant, dielectric loss factor and loss tangent values of the starch were found to be 9.20, 4.45 ve 0.48 at 1 kHz constant frequency and at room temperature. In addition, the effect of different proportions of G (0.5%, 1% and 2% by weight) on the dielectric properties of films were investigated. (0.5%, 1% and 2% by weight) of the starch on the dielectric properties was investigated. It was observed that as the G concentration increased, the dielectric constant, dielectric loss and loss tangent values significantly increased compared to the pure starch.
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Primary Language tr
Subjects Engineering, Chemical
Published Date Haziran-2021
Journal Section Kimya / Chemistry, Kimya Mühendisliği / Chemical Engineering
Authors

Orcid: 0000-0003-1730-1152
Author: Gülben TORĞUT
Institution: MUNZUR UNIVERSITY
Country: Turkey


Orcid: 0000-0001-5637-8262
Author: Nedim GÜRLER (Primary Author)
Institution: MUNZUR UNIVERSITY
Country: Turkey


Dates

Application Date : November 24, 2020
Acceptance Date : January 3, 2021
Publication Date : June 1, 2021

Bibtex @research article { jist830255, journal = {Journal of the Institute of Science and Technology}, issn = {2146-0574}, eissn = {2536-4618}, address = {}, publisher = {Igdir University}, year = {2021}, volume = {11}, pages = {1393 - 1401}, doi = {10.21597/jist.830255}, title = {Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi}, key = {cite}, author = {Torğut, Gülben and Gürler, Nedim} }
APA Torğut, G , Gürler, N . (2021). Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi . Journal of the Institute of Science and Technology , 11 (2) , 1393-1401 . DOI: 10.21597/jist.830255
MLA Torğut, G , Gürler, N . "Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi" . Journal of the Institute of Science and Technology 11 (2021 ): 1393-1401 <https://dergipark.org.tr/en/pub/jist/issue/61423/830255>
Chicago Torğut, G , Gürler, N . "Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi". Journal of the Institute of Science and Technology 11 (2021 ): 1393-1401
RIS TY - JOUR T1 - Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi AU - Gülben Torğut , Nedim Gürler Y1 - 2021 PY - 2021 N1 - doi: 10.21597/jist.830255 DO - 10.21597/jist.830255 T2 - Journal of the Institute of Science and Technology JF - Journal JO - JOR SP - 1393 EP - 1401 VL - 11 IS - 2 SN - 2146-0574-2536-4618 M3 - doi: 10.21597/jist.830255 UR - https://doi.org/10.21597/jist.830255 Y2 - 2021 ER -
EndNote %0 Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi %A Gülben Torğut , Nedim Gürler %T Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi %D 2021 %J Journal of the Institute of Science and Technology %P 2146-0574-2536-4618 %V 11 %N 2 %R doi: 10.21597/jist.830255 %U 10.21597/jist.830255
ISNAD Torğut, Gülben , Gürler, Nedim . "Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi". Journal of the Institute of Science and Technology 11 / 2 (June 2021): 1393-1401 . https://doi.org/10.21597/jist.830255
AMA Torğut G , Gürler N . Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi. Iğdır Üniv. Fen Bil Enst. Der.. 2021; 11(2): 1393-1401.
Vancouver Torğut G , Gürler N . Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi. Journal of the Institute of Science and Technology. 2021; 11(2): 1393-1401.
IEEE G. Torğut and N. Gürler , "Grafen Katkılı Nişasta Filmlerinin Dielektrik Özelliklerinin Geniş Frekans Aralığında İncelenmesi", Journal of the Institute of Science and Technology, vol. 11, no. 2, pp. 1393-1401, Jun. 2021, doi:10.21597/jist.830255